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View of the Imuruk Basin from the north.

The Imuruk Basin is a large interior body of water on western Alaska's Seward Peninsula. The drainage for this brackish saltwater lagoon covers about one quarter of the peninsula. The Kuzitrin, Pilgrim, Cobblestone and Agiapuk rivers empty into the Imuruk Basin. The basin was a strategic waterway for early Iñupiat by providing accessibility to the Bering Sea from the Seward Peninsula's interior.

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